InChI=1S/C28H38O7/c1-5-6-7-24(33)35-28(23(32)16-34-17(2)29)13-11-21-20-9-8-18-14-19(30)10-12-26(18,3)25(20)22(31)15-27(21,28)4/h10,12,14,20-22,25,31H,5-9,11,13,15-16H2,1-4H3/t20-,21-,22-,25+,26-,27-,28-/m0/s1